LONDON, April 29 (Reuters) – Sprinter Dwain Chambers and
cyclist David Miller will be cleared to compete in this year’s
London Olympics when the Court of Arbitration (CAS) over-rules a
British Olympic life ban on drug offenders, a source with
knowledge of the ruling told Reuters on Sunday.

CAS is set to announce on Monday that the British Olympic
Association (BOA) lifetime ban does not comply with the World
Anti-Doping Agency’s global code which provides for a two-year
suspension for first offenders.

LONDON (Reuters) – Double Olympic pole vault champion Yelena Isinbayeva will compete three times before the London Olympics, starting with a meeting in Reims, France, on July 4, a source close to the Russian said on Friday.

The source said the world record holder would then compete in Sotteville, France, on July 10 and in Monaco 10 days later.

LONDON, April 27 (Reuters) – Double Olympic pole vault
champion Yelena Isinbayeva will compete three times before the
London Olympics, starting with a meeting in Reims, France, on
July 4, a source close to the Russian said on Friday.

The source said the world record holder would then compete
in Sotteville, France, on July 10 and in Monaco 10 days later.

LONDON (Reuters) – Kenya confirmed they are poised to dominate this year’s Olympic marathons by winning the London men’s and women’s events on Sunday and taking five of the six podium positions for the second year in succession.

Wilson Kipsang finished four seconds outside the men’s course record with a time of two hours four minutes 44 seconds after Mary Kietany had retained the women’s title in an African record 2:18:37.

LONDON, April 22 (Reuters) – Kenya confirmed they are poised
to dominate this year’s Olympic marathons by winning the London
men’s and women’s events on Sunday and taking five of the six
podium positions for the second year in succession.

Wilson Kipsang finished four seconds outside the men’s
course record with a time of two hours four minutes 44 seconds
after Mary Kietany had retained the women’s title in an African
record 2:18:37.

LONDON (Reuters) – During an informative and entertaining address to an anti-doping conference last month, German researcher Mario Thevis referred to “80, 90, 100″ new performance-enhancing drugs for which no tests yet exist.

“They act like EPO (erythropietin) but they are structurally different and that means the current EPO tests will not pick them up,” he told delegates to the conference in London convened by worldsportslawreport.

LONDON (Reuters) – London entered the final straight in the run-up to the 2012 Olympics during a wet and windy spring day on Wednesday with celebrations across the world to mark the 100 days’ countdown to the Games.

The day began at Kew Gardens where London organizing committee chairman Sebastian Coe helped plant one of 40 oak trees which will be installed around the country to recognize Britain’s role in the birth of the modern Olympic movement.

LONDON (Reuters) – Ejegayehu Dibaba, the oldest of three Ethiopian sisters who have all made their mark on the track, steps up to the marathon for only the second time in London this Sunday.

Dibaba, 30, has been overshadowed by Tirunesh, a double Olympic champion in Beijing, while a second sister Genzebe emerged this year to win the world indoor 1,500 title in Istanbul.

LONDON, April 18 (Reuters) – Ejegayehu Dibaba, the oldest of
three Ethiopian sisters who have all made their mark on the
track, steps up to the marathon for only the second time in
London this Sunday.

Dibaba, 30, has been overshadowed by Tirunesh, a double
Olympic champion in Beijing, while a second sister Genzebe
emerged this year to win the world indoor 1,500 title in
Istanbul.

LONDON (Reuters) – London Olympics Minister Hugh Robertson expressed full confidence on Wednesday that Britain would deliver a “safe and secure” Games this year.

Security has been the major issue facing the Olympics after four suicide bombers killed 52 people on three packed underground trains and a bus the day after London was awarded the Games on July 6, 2005.